Home / 84,342.51-126,535.68-25,178.18

Finding the Fourth Proportional to 84,342.51, 126,535.68 and 25,178.18

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Solution

The fourth proportional to 84,342.51, 126,535.68 and 25,178.18 is: 37,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,342.51 : 126,535.68 = 25,178.18 : x
  2. Step 2: Convert to fraction form
    84,342.51/126,535.68 = 25,178.18/x
  3. Step 3: Cross multiply
    84,342.51x = 126,535.68 × 25,178.18
  4. Step 4: Simplify right side
    84,342.51x = 3,185,937,494.78
  5. Step 5: Solve for x
    x = 3,185,937,494.78/84,342.51
  6. Step 6: Final answer
    x = 37,773.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.